<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" label-width="68px">
      <el-form-item label="组ID" prop="pCategoryId">
        <el-select v-model="queryParams.pCategoryId" placeholder="请选择组ID" clearable size="small">
          <el-option label="请选择字典生成" value />
        </el-select>
      </el-form-item>
      <el-form-item label="类型ID" prop="categoryId">
        <el-select v-model="queryParams.categoryId" placeholder="请选择类型ID" clearable size="small">
          <el-option label="请选择字典生成" value />
        </el-select>
      </el-form-item>
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="作者ID" prop="userId">
        <el-input
          v-model="queryParams.userId"
          placeholder="请输入作者ID"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="审核状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择审核状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">查询</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:knowledge:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:knowledge:edit']"
        >编辑</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:knowledge:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:knowledge:export']"
        >导出</el-button>
      </el-col>
    </el-row>

    <el-table v-loading="loading" :data="knowledgeList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" />
      <el-table-column label="组ID" align="center" prop="pCategoryId" />
      <el-table-column label="类型ID" align="center" prop="categoryId" />
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="内容" align="center" prop="content" />
      <el-table-column label="内容摘要" align="center" prop="summary" />
      <el-table-column label="作者ID" align="center" prop="userId" />
      <el-table-column label="评论人数" align="center" prop="commentCount" />
      <el-table-column label="阅读人数" align="center" prop="readCount" />
      <el-table-column label="收藏人数" align="center" prop="collectionCount" />
      <el-table-column label="喜欢人数" align="center" prop="likeCount" />
      <el-table-column label="审核状态" align="center" prop="status" :formatter="statusFormat" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:knowledge:edit']"
          >编辑</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:knowledge:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改知识库对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="组ID">
          <el-select v-model="form.pCategoryId" placeholder="请选择组ID">
            <el-option label="请选择字典生成" value />
          </el-select>
        </el-form-item>
        <el-form-item label="类型ID">
          <el-select v-model="form.categoryId" placeholder="请选择类型ID">
            <el-option label="请选择字典生成" value />
          </el-select>
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="内容" prop="content">
          <el-input v-model="form.content" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="内容摘要" prop="summary">
          <el-input v-model="form.summary" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="作者ID" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入作者ID" />
        </el-form-item>
        <el-form-item label="文章封面" prop="topicImage">
          <el-input v-model="form.topicImage" placeholder="请输入文章封面" />
        </el-form-item>
        <el-form-item label="审核状态">
          <el-radio-group v-model="form.status">
            <el-radio
              v-for="dict in statusOptions"
              :key="dict.dictValue"
              :label="dict.dictValue"
            >{{dict.dictLabel}}</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listKnowledge, getKnowledge, delKnowledge, addKnowledge, updateKnowledge, exportKnowledge } from "@/api/system/knowledge";

export default {
  name: "Knowledge",
  data () {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 总条数
      total: 0,
      // 知识库表格数据
      knowledgeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 0是未审核 1是审核字典
      statusOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        pCategoryId: undefined,
        categoryId: undefined,
        title: undefined,
        userId: undefined,
        status: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        pCategoryId: [
          { required: true, message: "组ID不能为空", trigger: "blur" }
        ],
        categoryId: [
          { required: true, message: "类型ID不能为空", trigger: "blur" }
        ],
        title: [
          { required: true, message: "标题不能为空", trigger: "blur" }
        ],
        content: [
          { required: true, message: "内容不能为空", trigger: "blur" }
        ],
        summary: [
          { required: true, message: "内容摘要不能为空", trigger: "blur" }
        ],
        createTime: [
          { required: true, message: "发表时间不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created () {
    this.getList();
    this.getDicts("sys_yes_no").then(response => {
      this.statusOptions = response.data;
    });
  },
  methods: {
    /** 查询知识库列表 */
    getList () {
      this.loading = true;
      listKnowledge(this.queryParams).then(response => {
        this.knowledgeList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 0是未审核 1是审核字典翻译
    statusFormat (row, column) {
      return this.selectDictLabel(this.statusOptions, row.status);
    },
    // 取消按钮
    cancel () {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset () {
      this.form = {
        id: undefined,
        pCategoryId: undefined,
        categoryId: undefined,
        title: undefined,
        content: undefined,
        summary: undefined,
        userId: undefined,
        userIcon: undefined,
        userName: undefined,
        createTime: undefined,
        commentCount: undefined,
        readCount: undefined,
        collectionCount: undefined,
        likeCount: undefined,
        topicImage: undefined,
        topicImageThum: undefined,
        status: "0"
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery () {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery () {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange (selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length != 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd () {
      this.reset();
      this.open = true;
      this.title = "添加知识库";
    },
    /** 修改按钮操作 */
    handleUpdate (row) {
      this.reset();
      const id = row.id || this.ids
      getKnowledge(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改知识库";
      });
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != undefined) {
            updateKnowledge(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          } else {
            addKnowledge(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete (row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除知识库编号为"' + ids + '"的数据项?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function () {
        return delKnowledge(ids);
      }).then(() => {
        this.getList();
        this.msgSuccess("删除成功");
      }).catch(function () { });
    },
    /** 导出按钮操作 */
    handleExport () {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有知识库数据项?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function () {
        return exportKnowledge(queryParams);
      }).then(response => {
        this.download(response.msg);
      }).catch(function () { });
    }
  }
};
</script>